More Articles for reclaimed asphalt pavement (RAP)

Special Report from TRB 2014: Warm Mix Asphalt

Better Roads Staff - Mar 07, 2014

Special Report from TRB 2014:  Warm Mix Asphalt

The incursion of warm-mix asphalt (WMA) into the nation’s bituminous pavements continues unabated. The latest National Asphalt Pavement Association (NAPA)/Federal Highway Administration (FHWA) survey of asphalt producers’ use of recycled materials and warm-mix asphalt find that nearly a quarter of all ...

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Running Shingles the Right Way

Better Roads Staff - Feb 07, 2014

Running Shingles the Right Way

By Daniel C. Brown   Correctly running recycled asphalt shingles (RAS) and reclaimed asphalt pavement (RAP) at the same time can be a tricky business. The main economic advantage to doing so, of course, is that you replace expensive virgin binder with ...

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Long Live Asphalt Pavements

Better Roads Staff - Oct 02, 2013

Long Live Asphalt Pavements

The perpetual pavement project on California’s I-5 has sparked a trend in the state for asphalt pavements designed to last 40 years with minimal maintenance. As traffic whizzed nearby on busy Interstate 5 in California, Shirley Choate and Chris Cummings watched an asphalt ...

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Beware Premature Aging of Binder

Better Roads Staff - Jun 06, 2013

Beware Premature  Aging of Binder

Take care with liquid asphalt binder to avoid thermal crack failure   Thermal cracking – also known as low temperature cracking – in bituminous pavements appears as a series of transverse cracks that extend across the pavement surface in response to cold ...

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Special Transportation Research Board 2013 Report

Better Roads Staff - Apr 03, 2013

Special Transportation Research Board 2013 Report

‘Bio-Binder’ Green Modifiers Star at TRB   By Tom Kuennen, Contributing Editor   The emerging universe of biologically based modified asphalts got significant exposure at the 92nd annual meeting of the Transportation Research Board (TRB) in Washington, D.C. Better Roads was there. More than 11,700 ...

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Rap Up

Better Roads Staff - Mar 06, 2013

Rap Up

Making high-RAP mixes -- an art and a science   By Daniel C. Brown, Contributing Editor     Many state transportation departments have saved tens of millions of dollars by using reclaimed asphalt pavement. RAP is worth the same as the virgin materials it replaces. ...

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Roadway Environmental Ratings: What's Best for Your Agency?

Better Roads Staff - Nov 12, 2012

Roadway Environmental Ratings:  What's Best for Your Agency?

There's a choice of programs to use in rating sustainable roads   By Tom Kuennen, Contributing Editor   The never-ending quest to define which pavements and highways can be considered “environmentally sustainable” has gotten a lot harder, just as it’s gotten easier. It’s gotten easier because ...

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Road Science

Better Roads Staff - Sep 06, 2012

Road Science

The Second Time Around   Recycled materials need analysis, characterization   By Tom Kuennen, Contributing Editor             There is no stopping the growth of recycled and reclaimed materials in pavements. The use of reclaimed asphalt pavement (RAP), reclaimed asphalt shingles (RAS), recycled concrete aggregate (RCA), and recycled ...

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Highway Contractor

Better Roads Staff - Aug 05, 2012

Highway Contractor

HOT!   Achieving the high production/quality double on Interstate 10     FNF Construction and the Arizona Department of Transportation (ADOT) set the bar very high these days in hot mix asphalt paving on Interstate highways. Consider, for example, an 18-mile-long project on Interstate 10 ...

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$112.6 million project Central Tri-State Tollway resurfacing began April 2

Tina Grady Barbaccia - Mar 30, 2012

The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin ...

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$112.6 million project Central Tri-State Tollway resurfacing project begins April 2

Tina Grady Barbaccia - Mar 30, 2012

The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin ...

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Reagan Memorial Tollway resurfacing project starts April 1

Tina Grady Barbaccia - Mar 30, 2012

The Reagan Memorial Tollway (I-88) Resurfacing Project is scheduled to begin on Sunday, April 1, between Illinois Route 56 in North Aurora and Illinois Route 251 in Rochelle to extend the life of the roadway and provide a smooth driving ...

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